Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. -3
B. 3
C. - 
D. 
Answer: D
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Provide an appropriate response.What is the difference between an expression and an equation?
What will be an ideal response?
Construct a frequency polygon.
A. Frequency
| Height in inches |
B. Frequency
| Height in inches |
Find the center, transverse axis, vertices, foci, and the equations of the asymptotes of the hyperbola.(x + 1)2 - 9(y - 2)2 = 9
A. center: (-1, 2)
transverse axis: x = -1
vertices: (-1, -1) and (-1, 5),
foci: (-1, 2 - 
) and (-1, 2 + 
),
asymptotes: y + 2 = - 3(x - 1) and y + 2 = 3(x - 1)
B. center: (2, -1)
transverse axis: y = 2
vertices: (-1, -1) and (5, -1)
foci: (2 - 
, -1) and (2 + 
, -1)
asymptotes: y + 1 = - 
(x - 2) and y + 1 = 
(x - 2)
C. center: (-1, 2)
transverse axis: y = 2
vertices: (-4, 2) and (2, 2)
foci: (-1 - 
, 2) and (-1 + 
, 2)
asymptotes: y - 2 = - 
(x + 1) and y - 2 = 
(x + 1)
D. center: (-1, 2)
transverse axis: y = 2
vertices: (-2, 2) and (0, 2)
foci: (-1 - 
, 2) and (-1 + 
, 2)
asymptotes: y - 2 = - 3(x + 1) and y - 2 = 3(x + 1)
Solve.In the land of Taxalot, the function T(x) = 0.20(x - 8700) + 780 represents the tax bill T of a single person whose adjusted gross income is x dollars for incomes between 8700 and 30,000 inclusive. What is the implied domain of this linear function?
A. (8700, 30,000] B. [8700, 30,000] C. (8700, 30,000) D. [8700, ?)